ack/util/ceg/defaults/C_out_skel.c
1990-08-01 14:41:18 +00:00

334 lines
6.5 KiB
C

/* $Header$ */
/*
* (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
* See the copyright notice in the ACK home directory, in the file "Copyright".
*/
/* makecalls: expand a datastructure as delivered by "EM_getline"
into calls to the procedural interface.
Exported routine:
C_out
*/
#define CODE_EXPANDER
#define EXPORT
#define PRIVATE static
#include <em_spec.h>
#include <em_mnem.h>
#include <em_pseu.h>
#include <em_flag.h>
#include "em_ptyp.h"
#include <em.h>
#include <em_comp.h>
#include <assert.h>
extern char em_flag[]; /* One per EM instruction: indicates parameter kind */
extern short em_ptyp[]; /* One per parameter kind: indicates parameter type */
char *C_error;
PRIVATE C_dopseudo();
EXPORT int
C_out(p)
register struct e_instr *p;
{
C_error = 0;
switch(p->em_type) {
default:
C_error = "Illegal EM line";
break;
case EM_MNEM:
/* normal instruction */
if ((em_flag[p->em_opcode-sp_fmnem] & EM_PAR) == PAR_W &&
p->em_argtype == 0) {
#include "C_mnem_narg"
} else {
#include "C_mnem"
}
break;
case EM_DEFILB:
/* defining occurrence of an instruction label */
C_df_ilb(p->em_ilb);
break;
case EM_DEFDLB:
/* defining occurrence of a global data label */
C_df_dlb(p->em_dlb);
break;
case EM_DEFDNAM:
/* defining occurrence of a non-numeric data label */
C_df_dnam(p->em_dnam);
break;
case EM_PSEU:
/* pseudo */
C_dopseudo(p);
break;
case EM_STARTMES:
/* start of a MES pseudo */
C_mes_begin((int) (p->em_cst));
break;
case EM_MESARG:
switch(p->em_argtype) {
case ilb_ptyp:
C_ilb(p->em_ilb);
break;
case nof_ptyp:
C_dlb(p->em_dlb, p->em_off);
break;
case sof_ptyp:
C_dnam(p->em_dnam, p->em_off);
break;
case cst_ptyp:
C_cst(p->em_cst);
break;
case pro_ptyp:
C_pnam(p->em_pnam);
break;
case str_ptyp:
C_scon(p->em_string, p->em_size);
break;
case ico_ptyp:
C_icon(p->em_string, p->em_size);
break;
case uco_ptyp:
C_ucon(p->em_string, p->em_size);
break;
case fco_ptyp:
C_fcon(p->em_string, p->em_size);
break;
default:
C_error = "Illegal argument type";
break;
}
break;
case EM_ENDMES:
C_mes_end();
break;
}
if (C_error) return 0;
return 1;
}
PRIVATE
C_dopseudo(p)
register struct e_instr *p;
{
switch(p->em_opcode) {
case ps_exc: {
C_error = "EXC not allowed";
break;
}
case ps_hol: {
switch(p->em_argtype) {
case cst_ptyp:
C_hol_cst(EM_holsize,
p->em_cst,
EM_holinit);
break;
case ico_ptyp:
C_hol_icon(EM_holsize,
p->em_string,
p->em_size,
EM_holinit);
break;
case uco_ptyp:
C_hol_ucon(EM_holsize,
p->em_string,
p->em_size,
EM_holinit);
break;
case fco_ptyp:
C_hol_fcon(EM_holsize,
p->em_string,
p->em_size,
EM_holinit);
break;
case sof_ptyp:
C_hol_dnam(EM_holsize,
p->em_dnam,
p->em_off,
EM_holinit);
break;
case nof_ptyp:
C_hol_dlb(EM_holsize,
p->em_dlb,
p->em_off,
EM_holinit);
break;
case ilb_ptyp:
C_hol_ilb(EM_holsize,
p->em_ilb,
EM_holinit);
break;
case pro_ptyp:
C_hol_pnam(EM_holsize,
p->em_pnam,
EM_holinit);
break;
default:
C_error = "Illegal parameter type";
break;
}
break;
}
case ps_bss: {
switch(p->em_argtype) {
case cst_ptyp:
C_bss_cst(EM_bsssize,
p->em_cst,
EM_bssinit);
break;
case ico_ptyp:
C_bss_icon(EM_bsssize,
p->em_string,
p->em_size,
EM_bssinit);
break;
case uco_ptyp:
C_bss_ucon(EM_bsssize,
p->em_string,
p->em_size,
EM_bssinit);
break;
case fco_ptyp:
C_bss_fcon(EM_bsssize,
p->em_string,
p->em_size,
EM_bssinit);
break;
case sof_ptyp:
C_bss_dnam(EM_bsssize,
p->em_dnam,
p->em_off,
EM_bssinit);
break;
case nof_ptyp:
C_bss_dlb(EM_bsssize,
p->em_dlb,
p->em_off,
EM_bssinit);
break;
case ilb_ptyp:
C_bss_ilb(EM_bsssize,
p->em_ilb,
EM_bssinit);
break;
case pro_ptyp:
C_bss_pnam(EM_bsssize,
p->em_pnam,
EM_bssinit);
break;
default:
C_error = "Illegal parameter type";
break;
}
break;
}
case ps_end:
if (p->em_argtype != 0) {
C_end(p->em_cst);
break;
}
C_end_narg();
break;
case ps_exa:
case ps_ina:
if (p->em_argtype == nof_ptyp) {
if (p->em_opcode == ps_exa) {
C_exa_dlb(p->em_dlb);
}
else C_ina_dlb(p->em_dlb);
break;
}
if (p->em_opcode == ps_exa) {
C_exa_dnam(p->em_dnam);
}
else C_ina_dnam(p->em_dnam);
break;
case ps_exp:
C_exp(p->em_pnam);
break;
case ps_inp:
C_inp(p->em_pnam);
break;
case ps_pro:
if (p->em_nlocals >= 0) {
C_pro(p->em_pnam, p->em_nlocals);
}
else C_pro_narg(p->em_pnam);
break;
case ps_con:
switch(p->em_argtype) {
case ilb_ptyp:
C_con_ilb(p->em_ilb);
break;
case nof_ptyp:
C_con_dlb(p->em_dlb, p->em_off);
break;
case sof_ptyp:
C_con_dnam(p->em_dnam, p->em_off);
break;
case cst_ptyp:
C_con_cst(p->em_cst);
break;
case pro_ptyp:
C_con_pnam(p->em_pnam);
break;
case str_ptyp:
C_con_scon(p->em_string, p->em_size);
break;
case ico_ptyp:
C_con_icon(p->em_string, p->em_size);
break;
case uco_ptyp:
C_con_ucon(p->em_string, p->em_size);
break;
case fco_ptyp:
C_con_fcon(p->em_string, p->em_size);
break;
default:
C_error = "Illegal argument type";
return;
}
break;
case ps_rom:
switch(p->em_argtype) {
case ilb_ptyp:
C_rom_ilb(p->em_ilb);
break;
case nof_ptyp:
C_rom_dlb(p->em_dlb, p->em_off);
break;
case sof_ptyp:
C_rom_dnam(p->em_dnam, p->em_off);
break;
case cst_ptyp:
C_rom_cst(p->em_cst);
break;
case pro_ptyp:
C_rom_pnam(p->em_pnam);
break;
case str_ptyp:
C_rom_scon(p->em_string, p->em_size);
break;
case ico_ptyp:
C_rom_icon(p->em_string, p->em_size);
break;
case uco_ptyp:
C_rom_ucon(p->em_string, p->em_size);
break;
case fco_ptyp:
C_rom_fcon(p->em_string, p->em_size);
break;
default:
C_error = "Illegal argument type";
return;
}
break;
default:
C_error = "Illegal pseudo instruction";
break;
}
}